# SDR AALA20170208013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2017
- Submitted: February 10, 2017
- Operation: Air carrier
- Aircraft: [N501AA](https://openairdocs.org/aircraft/N501AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49738
- Aircraft time: 77,865 hours, 41,415 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Gasket
- Condition: Leaking
- Location: Apu Oil Cap
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170208013

## Discrepancy

ODOR AND SMOKE IN THE CABIN.  EMERGENCY DECLARED.  RETURNED TO DEPARTURE.  AIRCRAFT WAS GROUNDED. LANDING UNEVENTFUL. REMOVED AND REPLACED AUXILIARY POWER UNIT OIL CAP GASKET IAW AMM 12-12-01. LEAK AND OPERATIONAL CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.